Java Code Examples for org.apache.lucene.search.BitsFilteredDocIdSet#wrap()

The following examples show how to use org.apache.lucene.search.BitsFilteredDocIdSet#wrap() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ParentQuery.java    From Elasticsearch with Apache License 2.0 7 votes vote down vote up 
@Override
public Scorer scorer(LeafReaderContext context) throws IOException {
    DocIdSet childrenDocSet = childrenFilter.getDocIdSet(context, null);
    // we forcefully apply live docs here so that deleted children don't give matching parents
    childrenDocSet = BitsFilteredDocIdSet.wrap(childrenDocSet, context.reader().getLiveDocs());
    if (Lucene.isEmpty(childrenDocSet)) {
        return null;
    }
    final DocIdSetIterator childIterator = childrenDocSet.iterator();
    if (childIterator == null) {
        return null;
    }
    SortedDocValues bytesValues = globalIfd.load(context).getOrdinalsValues(parentType);
    if (bytesValues == null) {
        return null;
    }

    return new ChildScorer(this, parentIdxs, scores, childIterator, bytesValues);
}
Example 2
Source File: ParentConstantScoreQuery.java    From Elasticsearch with Apache License 2.0 6 votes vote down vote up 
@Override
public Scorer scorer(LeafReaderContext context) throws IOException {
    DocIdSet childrenDocIdSet = childrenFilter.getDocIdSet(context, null);
    if (Lucene.isEmpty(childrenDocIdSet)) {
        return null;
    }

    SortedDocValues globalValues = globalIfd.load(context).getOrdinalsValues(parentType);
    if (globalValues != null) {
        // we forcefully apply live docs here so that deleted children don't give matching parents
        childrenDocIdSet = BitsFilteredDocIdSet.wrap(childrenDocIdSet, context.reader().getLiveDocs());
        DocIdSetIterator innerIterator = childrenDocIdSet.iterator();
        if (innerIterator != null) {
            ChildrenDocIdIterator childrenDocIdIterator = new ChildrenDocIdIterator(
                    innerIterator, parentOrds, globalValues
            );
            return ConstantScorer.create(childrenDocIdIterator, this, queryWeight);
        }
    }
    return null;
}
Example 3
Source File: ChildrenConstantScoreQuery.java    From Elasticsearch with Apache License 2.0 5 votes vote down vote up 
@Override
public Scorer scorer(LeafReaderContext context) throws IOException {
    if (remaining == 0) {
        return null;
    }

    if (shortCircuitFilter != null) {
        DocIdSet docIdSet = shortCircuitFilter.getDocIdSet(context, null);
        if (!Lucene.isEmpty(docIdSet)) {
            DocIdSetIterator iterator = docIdSet.iterator();
            if (iterator != null) {
                return ConstantScorer.create(iterator, this, queryWeight);
            }
        }
        return null;
    }

    DocIdSet parentDocIdSet = this.parentFilter.getDocIdSet(context, null);
    if (!Lucene.isEmpty(parentDocIdSet)) {
        // We can't be sure of the fact that liveDocs have been applied, so we apply it here. The "remaining"
        // count down (short circuit) logic will then work as expected.
        parentDocIdSet = BitsFilteredDocIdSet.wrap(parentDocIdSet, context.reader().getLiveDocs());
        DocIdSetIterator innerIterator = parentDocIdSet.iterator();
        if (innerIterator != null) {
            LongBitSet parentOrds = collector.parentOrds;
            SortedDocValues globalValues = globalIfd.load(context).getOrdinalsValues(parentType);
            if (globalValues != null) {
                DocIdSetIterator parentIdIterator = new ParentOrdIterator(innerIterator, parentOrds, globalValues, this);
                return ConstantScorer.create(parentIdIterator, this, queryWeight);
            }
        }
    }
    return null;
}
Example 4
Source File: FilterCache.java    From incubator-retired-blur with Apache License 2.0 5 votes vote down vote up 
@Override
public DocIdSet getDocIdSet(AtomicReaderContext context, Bits acceptDocs) throws IOException {
  AtomicReader reader = context.reader();
  Object key = reader.getCoreCacheKey();
  DocIdSet docIdSet = _cache.get(key);
  if (docIdSet != null) {
    _hits.incrementAndGet();
    return BitsFilteredDocIdSet.wrap(docIdSet, acceptDocs);
  }
  // This will only allow a single instance be created per reader per filter
  Object lock = getLock(key);
  synchronized (lock) {
    SegmentReader segmentReader = getSegmentReader(reader);
    if (segmentReader == null) {
      LOG.warn("Could not find SegmentReader from [{0}]", reader);
      return _filter.getDocIdSet(context, acceptDocs);
    }
    Directory directory = getDirectory(segmentReader);
    if (directory == null) {
      LOG.warn("Could not find Directory from [{0}]", segmentReader);
      return _filter.getDocIdSet(context, acceptDocs);
    }
    _misses.incrementAndGet();
    String segmentName = segmentReader.getSegmentName();
    docIdSet = docIdSetToCache(_filter.getDocIdSet(context, null), reader, segmentName, directory);
    _cache.put(key, docIdSet);
    return BitsFilteredDocIdSet.wrap(docIdSet, acceptDocs);
  }
}
Example 5
Source File: NotNullFieldFilter.java    From linden with Apache License 2.0 4 votes vote down vote up 
@Override
public DocIdSet getDocIdSet(AtomicReaderContext context, Bits acceptDocs) throws IOException {
  DocIdSet docIdSet = LindenFieldCacheImpl.DEFAULT.getNotNullFieldDocIdSet(context.reader(), fieldName);
  return BitsFilteredDocIdSet.wrap(docIdSet, acceptDocs);
}